Nimotuzumab is an IgG1 humanized monoclonal antibody that recognized an epitope located in the extra cellular domain of the human epidermal growth factor receptor (EGFR), inhibiting tyrosine kinase activation. This is a randomized, controlled, open-Label, multicenter, phase Ⅱ clinical trial of nimotuzumab plus Docetaxel and Capecitabine（TX）versus Docetaxel and Capecitabine（TX）as first-line treatment in patients with recurrent/metastatic triple negative breast cancer.